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8.8 Internal Trigger
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Flashing cursor
Flashing cursor
50 Hz
This measurement is made using a 50-Hz
commercial power supply.
60 Hz
This measurement is made using a 60-Hz
commercial power supply.
8.8.4 Voltage Drop Trigger
The time axis ranges that can be used are 200
μ
s to 50
ms/DIV.
The product is designed to measure commercial power
supplies (50/60 Hz), and detects momentary voltage drops
in commercial power supplies.
Triggering occurs when peak voltage drops below the
specified level for more than one-half cycle.
Procedure
Trigger Screen
1. Press the
SET
button to display the Trigger Screen.
2. Move the flashing cursor to the position shown in the
figure below and select
DROP
using the
buttons.
3. Move the flashing cursor to the position shown in the
figure below, and set the frequency to be measured using
the
buttons.